Masks Now Optional for 90% of US As Risk Lessens: CDC
Medscape (March 04, 2022) – New metrics for measuring the threat of COVID-19 show that more than 90% of people in the United States now live in counties with a low to medium threat and generally don’t need to wear face masks anymore, the CDC said Thursday.
Masks Now Optional for 90% of US As Risk Lessens: CDC (medscape.com)